The Concept of the Heat Removal System of a High-Flux Research Reactor

Table 2

Characteristics of fuel assemblies VVR-KN [5].

Parameter	Value/meaning
Enrichment 235U, %	19.7
Density of uranium, g × cm^−3	2.8
Mass of 235U in fuel assemblies, g
8-pipe	250
5-pipe	199
Number of fuel rods
8-pipe	Eight
5-pipe	5
Fuel rod thickness, mm	1.6
Core thickness, mm	0.7
Shell thickness, mm	0.45
Heat transfer surface area, m^2	1.34